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Lois Hall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Lois Hall across the 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Hall |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | G 5 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Bloomfield Twp |
| Est. Birth Year | ~1926 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Darlene Hall | Daughter | — | 9 | ~1931 |
| Lois Hall | Daughter | — | 14 | ~1926 |
| Billy Hall | Son | — | 15 | ~1925 |
| James Hall | Son | — | 6 | ~1934 |
| Hazel Hall | Spouse | — | 38 | ~1902 |
| Shirley Hall | Daughter | — | 5 | ~1935 |
| Kilmer Hall | Son | — | 18 | ~1922 |
| James Hall | Head | — | 39 | ~1901 |
Census Appearances
1930
Polk, Iowa
Daughter, age 2
Polk, Iowa · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Daughter, age 14
Polk-County, Iowa · implied b. ~1926 — 8 household members
| Surname | Hall |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Highest Grade | G 5 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Lois Hall across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Hall
Daughter · 1940 · age 14 · b. ~1926 · Iowa
★ You are viewing this record
Sibling
Billy Hall
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kilmer Hall
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Hall
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hall
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darlene Hall
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01192-00109)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Hall | 39 | Head | Template Maker | Iowa |
| 2 | Hazel D Hall | 38 | Wife | — | Iowa |
| 3 | Kilmer Hall | 18 | Son | Mechanic Helper | Iowa |
| 4 | Billy Hall | 15 | Son | — | Iowa |
| 5 | Lois Hall THIS PERSON | 14 | Daughter | — | Iowa |
| 6 | Darlene Hall | 9 | Daughter | — | Iowa |
| 7 | James Hall | 6 | Son | — | Iowa |
| 8 | Shirley May Hall | 5 | Daughter | — | Iowa |
| 9 | Opal Curtis | 39 | Head | Seamstress | Iowa |
| 10 | Bonnie Curtis | 18 | Daughter | — | Iowa |
| 11 | Wyatt Curtis | 16 | Son | — | Iowa |
| 12 | Wayne Curtis | 14 | Son | — | Iowa |
| 13 | Marylin Curtis | 9 | Daughter | — | Iowa |
| 14 | J. H. Morgan | 71 | Father | — | Iowa |
| 15 | J. R. Mcguire | 39 | Head | Feeding The Cattle | Missouri |
| 16 | Elma Mcguire | 39 | Wife | — | Illinois |
| 17 | H. G. Carr | 33 | Head | D. P. Labor | Iowa |
| 18 | Barbara Carr | 34 | Wife | — | Ohio |
| 19 | Paul E. Carr | 11 | Son | — | Wisconsin |
| 20 | Robert E. Carr | 9 | Son | — | Iowa |
| 21 | John H. 3Rd Carr | 8 | Son | — | Iowa |
| 22 | James W. Carr | 7 | Son | — | Wisconsin |
| 23 | Peter J. Carr | 5 | Son | — | Iowa |
| 24 | Elizabeth Ann Carr | 1 | Daughter | — | Iowa |
| 25 | Wesley E. Bertram | 59 | Head | Truck Driver | Iowa |
| 26 | Cora E. Bertram | 58 | Wife | — | Iowa |
| 27 | F. H. Griffith | 32 | Head | Truck Driver | Iowa |
| 28 | Hazel B. Griffith | 29 | Wife | — | Indiana |
| 29 | Francis Howard Griffith | 1 | Son | — | Iowa |
| 30 | L. G. Crane | 53 | Head | Labor | Iowa |
| 31 | Elsie Crane | 55 | Wife | — | Iowa |
| 32 | Henry Erber | 34 | Head | Truck Driver | Iowa |
| 33 | Mildred Erber | 37 | Wife | — | Iowa |
| 34 | Jackie Erber | 4 | Son | — | Iowa |
| 35 | Catherine Goodman | 62 | Mother-in-law | — | Iowa |
| 36 | Joseph Critelli | 63 | Head | Tavern Operator | Italy |
| 37 | William Critelli | 51 | Housekeeper | House Keeper | Pennsylvania |
| 38 | Abbie Critelli | 31 | Hired Man | """" | Missouri |
| 39 | Alfred Van Ginkel | 54 | Head | Gardner | Iowa |
| 40 | Leonore Van Ginkel | 48 | Wife | — | Idaho |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)